Index: applications/editors/josm/plugins/merge-overlap/src/mergeoverlap/MergeOverlapAction.java
===================================================================
--- applications/editors/josm/plugins/merge-overlap/src/mergeoverlap/MergeOverlapAction.java	(revision 27802)
+++ applications/editors/josm/plugins/merge-overlap/src/mergeoverlap/MergeOverlapAction.java	(revision 27852)
@@ -55,5 +55,5 @@
 				tr("Merge overlap of ways."), 
 				Shortcut.registerShortcut("tools:mergeoverlap",tr("Tool: {0}", tr("Merge overlap")), KeyEvent.VK_O,
-				Shortcut.GROUP_HOTKEY+Shortcut.GROUPS_ALT2)
+				Shortcut.ALT_CTRL)
 				, true);
 	}